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ruby-on-rails - ActionCable - WebSocket 握手期间出错 : Unexpected response code: 404

转载 作者：行者123 更新时间：2023-12-04 16:29:05 25 4
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已通过 Capistrano 部署了我的 Rails 5.2 应用程序，但在使用 ActionCable 时遇到了问题。我正在使用 Nginx、Puma 和 Lets Encrypt。

我尝试了许多配置组合，但每次都收到相同的错误。我不确定如何 调试此问题，以及有关重新安排我的 ngnx.conf 的建议和任何提示将不胜感激。

已将真实网站改为 website.com

nginx.conf

upstream puma {
  server unix:///home/deploy/apps/website/shared/tmp/sockets/website-puma.sock;
}

server {
  server_name website.com www.website.com;
  root /home/deploy/apps/website/current/public;
  index index.html;

  location ^~ /assets/ {
    gzip_static on;
    expires max;
    add_header Cache-Control public;
  }

  try_files $uri/index.html $uri @puma;
  location @puma {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_pass http://puma;
  }

  location /cable {
    proxy_pass http://puma;
    proxy_http_version 1.1;
    proxy_set_header Upgrade websocket;
    proxy_set_header Connection Upgrade;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }

  error_page 500 502 503 504 /500.html;
  client_max_body_size 10M;
  keepalive_timeout 10;

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/website.com/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/website.com/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

server {
    if ($host = www.website.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    if ($host = website.com) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


  listen 80 default_server;
  listen [::]:80 default_server ipv6only=on;

  server_name website.com www.website.com;
    return 404; # managed by Certbot
}

config/production.rb

  config.action_cable.mount_path = '/cable'
  config.action_cable.url = 'wss://website.com/cable'
  config.action_cable.allowed_request_origins = [ 'https://website.com', 'http://website.com' ]

错误信息

enter image description here

评论过的帖子

更新

更新了 nginx.conf

upstream puma {
  server unix:///home/deploy/apps/immersive/shared/tmp/sockets/immersive-puma.sock;
}


  server {
    if ($host = www.immersive.ch) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    if ($host = immersive.ch) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    listen 80 default_server;
    listen [::]:80 default_server ipv6only=on;

    server_name immersive.ch www.immersive.ch;
    return 404; # managed by Certbot
  }

  server {
    server_name immersive.ch www.immersive.ch;
    root /home/deploy/apps/immersive/current/public;
    index index.html;

    location ^~ /assets/ {
      gzip_static on;
      expires max;
      add_header Cache-Control public;
    }

    try_files $uri/index.html $uri @puma;
    location @puma {
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header Host $http_host;
      proxy_redirect off;
      proxy_pass http://puma;
    }

    location /cable {
      proxy_pass http://puma;
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
      proxy_set_header Host $host;
      proxy_set_header X-Forwarded-Proto $scheme;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_pass_request_headers on;

      proxy_buffering off;
      proxy_redirect off;
      break;
    }

    error_page 500 502 503 504 /500.html;
    client_max_body_size 10M;
    keepalive_timeout 10;

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/immersive.ch/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/immersive.ch/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
  }

生产.rb 

config.action_cable.mount_path = '/cable'
config.action_cable.url = 'wss://immersive.ch/cable'
config.action_cable.allow_same_origin_as_host = true
config.action_cable.allowed_request_origins = [ '*' ]
#config.action_cable.allowed_request_origins = [ 'https://immersive.ch', 'http://immersive.ch' ]

curl的部分输出

> GET /cable HTTP/1.1
> Host: immersive.ch
> User-Agent: curl/7.54.0
> Accept: */*
> Origin: https://immersive.ch
> Sec-WebSocket-Key: MIN4DsiwEAutsE11kgG5rg==
> Upgrade: websocket
> Connection: Upgrade
> Sec-WebSocket-Version: 13
>
< HTTP/1.1 404 Not Found
< Server: nginx/1.15.5 (Ubuntu)
< Date: Tue, 16 Apr 2019 20:10:43 GMT
< Content-Type: text/plain
< Transfer-Encoding: chunked
< Connection: keep-alive
< Cache-Control: no-cache
< X-Request-Id: 7a9aa8f1-676d-419b-9e4f-0c1bb38bcaa2
< X-Runtime: 0.004730
<
* Connection #0 to host immersive.ch left intact
Page not found%

puma.rb

threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }.to_i
threads threads_count, threads_count
port        ENV.fetch("PORT") { 3000 }
environment ENV.fetch("RAILS_ENV") { "development" }
workers 2
daemonize true
plugin :tmp_restart

编辑 2

/var/logs/nginx/access.log

HTTP/1.1" 200 4447 "https://immersive.ch/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36"
xxx.xxx.xxx.xxx - - [16/Apr/2019:22:33:58 +0200] "GET /cable HTTP/1.1" 404 24 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36"
xxx.xxx.xxx.xxx - - [16/Apr/2019:22:33:59 +0200] "GET /cable HTTP/1.1" 404 24 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36"

puma.error.log

I, [2019-04-16T22:39:06.100106 #21136]  INFO -- : [80dc2a43-13e1-499e-a8f6-9fd54d48270b] Started GET "/cable" for xxx.xxx.xxx.xxx at 2019-04-16 22:39:06 +0200
I, [2019-04-16T22:39:06.103811 #21136]  INFO -- : [80dc2a43-13e1-499e-a8f6-9fd54d48270b] Started GET "/cable/"[non-WebSocket] for xxx.xxx.xxx.xxx at 2019-04-16 22:39
E, [2019-04-16T22:39:06.103943 #21136] ERROR -- : [80dc2a43-13e1-499e-a8f6-9fd54d48270b] Failed to upgrade to WebSocket (REQUEST_METHOD: GET, HTTP_CONNECTION: close, HTTP_UPGRADE: )
I, [2019-04-16T22:39:06.104062 #21136]  INFO -- : [80dc2a43-13e1-499e-a8f6-9fd54d48270b] Finished "/cable/"[non-WebSocket] for xxx.xxx.xxx.xxx at 2019-04-16 22:39

puma.access.log

2019-04-16 20:58: HTTP parse error, malformed request (127.0.0.1): #<Puma::HttpParserError: Invalid HTTP format, parsing fails.>

最佳答案

当 Origin header 丢失或不匹配/无效时，ActionCable 会回答 404。

检查这不是你的常规 404:

curl -v 'https://your_site.com/cable' -H 'Origin: https://your_site.com' -H 'Sec-WebSocket-Key: MIN4DsiwEAutsE11kgG5rg=='  -H 'Upgrade: websocket' -H 'Connection: Upgrade' -H 'Sec-WebSocket-Version: 13'

当一切正常时，将有 HTTP/1.1 101 切换协议(protocol)，来源不匹配 - 只是 Page not found 正文，或者您的常规 404 页面(如果有)其他路由问题。

确保设置中的 allowed_request_origins 正确。请注意，如果它是非标准的，它包括端口。检查在 devtools 中发送的 Origin 浏览器

还有 config.action_cable.allow_same_origin_as_host = true(默认，需要正确的 Host 和 X-Forwarded-Proto header )

然后我们需要 nginx 传递所有用于重建 origin 的 headers:

  location /cable {
    proxy_pass http://puma;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-Proto $scheme; # <- most probably this one is missing
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_pass_request_headers on; # this is default, but just to be sure

    proxy_buffering off;
    proxy_redirect off;
    break;
  }

更新:

当 activecable 对此做出响应时，剩下的两种情况是连接身份验证失败和缺少 websocket 驱动程序(puma 应该不是这种情况)

关于ruby-on-rails - ActionCable - WebSocket 握手期间出错 : Unexpected response code: 404，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/55702029/

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